<template>
  <div class="body">
  <vue-particles
  		        color="#dedede"
  		        :particleOpacity="0.7"
  		        :particlesNumber="80"
  		        shapeType="circle"
  		        :particleSize="4"
  		        linesColor="#dedede"
  		        :linesWidth="1"
  		        :lineLinked="true"
  		        :lineOpacity="0.4"
  		        :linesDistance="150"
  		        :moveSpeed="3"
  		        :hoverEffect="true"
  		        hoverMode="grab"
  		        :clickEffect="true"
  		        clickMode="push"
  		      >
  		      </vue-particles>
    </div>
  
    	
    </div>
</template>
<script>
import { onMounted, ref } from "vue";

export default {
	data(){
		return {
			starsCount :800, //星星数量
		  distance: 900 //间距
		}
	},
  setup() {
    let starsRef = ref(null);
    onMounted(() => {
      let starNodes = Array.from(starsRef.value.children);
      starNodes.forEach((item) => {
        let speed = 0.2 + Math.random() * 1;
        let thisDistance = this.distance + Math.random() * 300;
        item.style.transformOrigin = `0 0 ${thisDistance}px`;
        item.style.transform = `
        translate3d(0,0,-${thisDistance}px)
        rotateY(${Math.random() * 360}deg)
        rotateX(${Math.random() * -50}deg)
        scale(${speed},${speed})`;
      });
    });

    return {
      starsRef,
      starsCount,
    };
  },
};
</script>

<style lang="css" scoped>
.body {
  position: absolute;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background: radial-gradient(
    200% 100% at bottom center,
    #f7f7b6,
    #e96f92,
    #1b2947
  );
  background: radial-gradient(
    200% 105% at top center,
    #1b2947 10%,
    #75517d 40%,
    #e96f92 65%,
    #f7f7b6
  );
  background-attachment: fixed;
  overflow: hidden;
}

@keyframes rotate {
  0% {
    transform: perspective(400px) rotateZ(20deg) rotateX(-40deg) rotateY(0);
  }
  100% {
    transform: perspective(400px) rotateZ(20deg) rotateX(-40deg)
      rotateY(-360deg);
  }
}
.stars {
  transform: perspective(500px);
  transform-style: preserve-3d;
  position: absolute;
  perspective-origin: 50% 100%;
  left: 45%;
  animation: rotate 90s infinite linear;
  bottom: 0;
}
.star {
  width: 2px;
  height: 2px;
  background: #f7f7b6;
  position: absolute;
  left: 0;
  top: 0;
  backface-visibility: hidden;
}
</style>